1/* 2 * Copyright (C) 1999 Yasuhiro Ohara 3 * 4 * This file is part of GNU Zebra. 5 * 6 * GNU Zebra is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the 8 * Free Software Foundation; either version 2, or (at your option) any 9 * later version. 10 * 11 * GNU Zebra is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with GNU Zebra; see the file COPYING. If not, write to the 18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 19 * Boston, MA 02111-1307, USA. 20 */ 21 22#ifndef OSPF6_ROUTE_H 23#define OSPF6_ROUTE_H 24 25#include "ospf6_hook.h" 26#include "ospf6_linklist.h" 27 28struct ospf6_route_table 29{ 30 char name[128]; 31 32 int freeze; 33 34 /* radix tree */ 35 struct route_table *table; 36 37 /* list of hooks */ 38 struct linklist *hook_list[3]; 39 void (*hook_add) (void *); 40 void (*hook_change) (void *); 41 void (*hook_remove) (void *); 42 43 u_int32_t route_id; 44}; 45 46 47 48struct ospf6_route 49{ 50 /* Destination ID */ 51 struct prefix prefix; 52 53 /* Destination Type */ 54 u_char type; 55}; 56 57/* Path */ 58struct ls_origin 59{ 60 u_int16_t type; 61 u_int32_t id; 62 u_int32_t adv_router; 63}; 64 65struct ospf6_path 66{ 67 /* Link State Origin */ 68 struct ls_origin origin; 69 70 /* Router bits */ 71 u_char router_bits; 72 73 /* Optional Capabilities */ 74 u_char capability[3]; 75 76 /* Prefix Options */ 77 u_char prefix_options; 78 79 /* Associated Area */ 80 u_int32_t area_id; 81 82 /* Path-type */ 83 u_char type; 84 85 /* Cost */ 86 u_int8_t metric_type; 87 u_int32_t cost; 88 u_int32_t cost_e2; 89}; 90 91/* Nexthop */ 92struct ospf6_nexthop 93{ 94 /* Interface index */ 95 unsigned int ifindex; 96 97 /* IP address, if any */ 98 struct in6_addr address; 99}; 100 101struct ospf6_route_node 102{ 103 struct ospf6_route_table *table; 104 int count; 105 u_int32_t route_id; 106 107 struct route_node *route_node; 108 struct ospf6_route route; 109 struct linklist *path_list; 110}; 111 112struct ospf6_path_node 113{ 114 struct ospf6_route_node *route_node; 115 struct ospf6_path path; 116 struct linklist *nexthop_list; 117}; 118 119struct ospf6_nexthop_node 120{ 121 int flag; 122 struct timeval installed; 123 124 struct ospf6_path_node *path_node; 125 struct ospf6_nexthop nexthop; 126}; 127 128struct ospf6_route_req 129{ 130 struct ospf6_route_table *table; 131 struct route_node *route_node; 132 struct linklist_node path_lnode; 133 struct linklist_node nexthop_lnode; 134 u_int32_t route_id; 135 136 int count; 137 struct ospf6_route route; 138 struct ospf6_path path; 139 struct ospf6_nexthop nexthop; 140}; 141 142#define OSPF6_DEST_TYPE_NONE 0 143#define OSPF6_DEST_TYPE_ROUTER 1 144#define OSPF6_DEST_TYPE_NETWORK 2 145#define OSPF6_DEST_TYPE_DISCARD 3 146#define OSPF6_DEST_TYPE_MAX 4 147 148#define OSPF6_PATH_TYPE_NONE 0 149#define OSPF6_PATH_TYPE_INTRA 1 150#define OSPF6_PATH_TYPE_INTER 2 151#define OSPF6_PATH_TYPE_EXTERNAL1 3 152#define OSPF6_PATH_TYPE_EXTERNAL2 4 153#define OSPF6_PATH_TYPE_ZOFFSET 5 154#define OSPF6_PATH_TYPE_ZSYSTEM (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_SYSTEM) 155#define OSPF6_PATH_TYPE_ZKERNEL (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_KERNEL) 156#define OSPF6_PATH_TYPE_ZCONNECT (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_CONNECT) 157#define OSPF6_PATH_TYPE_ZSTATIC (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_STATIC) 158#define OSPF6_PATH_TYPE_ZRIP (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_RIP) 159#define OSPF6_PATH_TYPE_ZRIPNG (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_RIPNG) 160#define OSPF6_PATH_TYPE_ZOSPF (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_OSPF) 161#define OSPF6_PATH_TYPE_ZOSPF6 (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_OSPF6) 162#define OSPF6_PATH_TYPE_ZBGP (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_BGP) 163#define OSPF6_PATH_TYPE_MAX (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_MAX) 164 165#define OSPF6_ROUTE_FLAG_ROUTE_CHANGE 0x01 166#define OSPF6_ROUTE_FLAG_PATH_CHANGE 0x02 167#define OSPF6_ROUTE_FLAG_ADD 0x04 168#define OSPF6_ROUTE_FLAG_REMOVE 0x08 169#define OSPF6_ROUTE_FLAG_CHANGE 0x10 170 171int ospf6_route_lookup (struct ospf6_route_req *request, 172 struct prefix *prefix, 173 struct ospf6_route_table *table); 174void ospf6_route_head (struct ospf6_route_req *request, 175 struct ospf6_route_table *table); 176int ospf6_route_end (struct ospf6_route_req *request); 177void ospf6_route_next (struct ospf6_route_req *request); 178 179void ospf6_route_add (struct ospf6_route_req *, struct ospf6_route_table *); 180void ospf6_route_remove (struct ospf6_route_req *, struct ospf6_route_table *); 181void ospf6_route_remove_all (struct ospf6_route_table *); 182 183struct ospf6_route_table *ospf6_route_table_create (); 184void ospf6_route_table_delete (struct ospf6_route_table *); 185 186void ospf6_route_table_freeze (struct ospf6_route_table *); 187void ospf6_route_table_thaw (struct ospf6_route_table *); 188 189void 190ospf6_route_hook_register (void (*add) (struct ospf6_route_req *), 191 void (*change) (struct ospf6_route_req *), 192 void (*remove) (struct ospf6_route_req *), 193 struct ospf6_route_table *table); 194void 195ospf6_route_hook_unregister (void (*add) (struct ospf6_route_req *), 196 void (*change) (struct ospf6_route_req *), 197 void (*remove) (struct ospf6_route_req *), 198 struct ospf6_route_table *table); 199 200void ospf6_route_init (); 201 202int ospf6_route_table_show (struct vty *, int, char **, 203 struct ospf6_route_table *); 204 205#endif /* OSPF6_ROUTE_H */ 206 207